Heat exchanger

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Information

Patent Grant
D276933

References
Source

Patent Number
D276,933
Date Filed
Wednesday, April 14, 1982
42 years ago
Date Issued
Tuesday, December 25, 1984
39 years ago

Inventors
- Donald C. Welch
- Christopher P. Yoerg
Original Assignees
- The Trane Company
Examiners
- Kemper; Catherine E.
Agents
- Anderson; Ronald M.
- Campbell; Raymond W.
- Lewis; Carl M.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 136
- 165 144
- 165 150
- 165 151
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a heat exchanger, substantially as shown.

US Referenced Citations (4)

Number	Name	Date	Kind
1710579	Henshall	Apr 1929
1788068	Scott	Jan 1931
2064036	Sandberg	Dec 1936
3916989	Harada et al.	Nov 1975